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Snap-on TMU121A | Flank Drive Shallow Universal Socket | 1/4" Drive, 12-Point, 3/8"
Sized at 3/8", this 12-point SAE shallow universal socket (TMU121A) mounts on 1/4" drive. Flank Drive geometry takes hold of the fastener flats. It has an assembly length of 1-3/8" and a bolt clearance depth of 39/64". It also has a hex OD of 9/16", a square drive OD of 1/2" and a hex depth of 17/64". Snap-on files it under 1/4" Drive Tools, Flank Drive Universal Sockets, Shallow Universal, Inches, Chrome (1/4" Universal).
Key features
- Fits 1/4" drive tools; 12-point geometry
- Flank Drive profile grips the fastener on its flats
- Nickel-chrome alloy finish resists rust and corrosion
- Specifications
| Part Number | TMU121A |
| Brand | Snap-on |
| Drive Size | 1/4" |
| Size | 3/8" |
| Dimension A, Hex OD, inches | 9/16 |
| Dimension C, Bolt Clearance Depth, inches | 39/64 |
| Country of Origin | USA |
| Dimension B, Square Drive OD, inches | 1/2 |
| Dimension D, Assembly Length, inches | 1-3/8 |
| Dimension E, Hex Depth, inches | 17/64 |
| Style | 12-Point |
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